Question

simplify [(5/8)*-³]²×(2/5)³​

Answer 1

Step-by-step explanation:

[(5/8)*-³]²×(2/5)³.

[(8/5)³]²x(2³/5³). (a-ⁿ=1/aⁿ)

=[(8/5)³×²] x(8/5³). (a^m)ⁿ=a^mn)

=(8^6/5^6)(8/5³)

=8^6.8¹/5^6.5³. (a^m.aⁿ=a^m+n)

=8^6+1/5^6+3

=8^7/5^9